SSMBM466WOM

Commodore VP - VS V8 Sedan IRS 3in Centre Pipe W/out Muffler

Commodore VP - VS V8 Sedan IRS 3in Centre Pipe W/out Muffler for selected vehicle applications.

BrandMantaMPI Automotive

Category: Mufflers and resonators

RRP $677.47 AUD
In stock at supplier
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Generated transparent product-style artwork for SSMBM466WOM Commodore VP - VS V8 Sedan IRS 3in Centre Pipe W/out Muffler

Part specs

SKU
SSMBM466WOM
Supplier
MPI Automotive
Category
Mufflers and resonators
Stock status
In stock at supplier

Cut for the independent-rear-suspension cars, the MPI Automotive SSMBM466WOM is a 3in centre pipe without a muffler for the VP-VS Commodore V8 sedan with IRS — the straight-through mid-section shaped to clear the IRS cradle.

Why does IRS change the centre pipe?

The independent-rear-suspension Commodore sedans route their exhaust around a different rear cradle than the live-axle cars, so the centre section has to be shaped to clear it. This pipe is cut for the IRS body specifically — fitting a live-axle part to an IRS car (or vice versa) tends to mean clearance grief. Getting the right one means the bends land where they should without fabrication.

What does deleting the centre muffler do?

Replacing the mid silencer with a straight 3in pipe removes a restriction and a sound-deadening stage, so the system flows freer and sounds harder. The rear muffler then carries all the quietening duty. It's the louder, more open route — chosen over the silenced centre section by owners who want more from a worked IRS V8 sedan.

Will it fit my IRS sedan?

It's listed to fit the Holden Commodore VP to VS V8 sedan with IRS. Confirm that your car is the IRS variant and how this pairs with your rear silencer with the workshop before ordering — the suspension type is the deciding detail here.

What does fitting involve at the workshop?

Oak Flats Muffler Men fits this centre pipe in-house in the Illawarra. We verify the IRS clearance, the 3in joins, and the hanger alignment, and we can advise on a rear muffler pairing to keep cruise sound sensible.

Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.

Common questions

Is the SSMBM466WOM only for IRS cars?
Yes — it's cut for the VP-VS V8 sedan with independent rear suspension, which routes around a different rear cradle than the live-axle cars.
Does it include a muffler?
No — it's a centre pipe without a muffler, a straight 3in section that deletes the mid silencer for more flow and volume.
How do I know if my car has IRS?
The workshop can confirm your suspension type when you book in, so you get the correct centre section first time.

Fitment support across the Illawarra

Fitment checks near you across 18 Illawarra suburbs, from Oak Flats and Shellharbour to Wollongong and Kiama.
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Book the right exhaust job without guessing.

Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.